Esempio n. 1
0
/////////////////////////////////////////////////////////////////////////////
// IShellInit Functions
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CShellExt::XShellInit::Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdobj, HKEY hkeyProgID)
{
    METHOD_PROLOGUE(CShellExt, ShellInit);

    HRESULT hres = E_FAIL;
    FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
    STGMEDIUM medium;

    // We must have a data object
    if ((pdobj == NULL) && (pidlFolder == NULL))
        return E_FAIL;

    pThis->m_bIsSymlink=false;
    pThis->m_bIsMountpoint=false;
    pThis->m_bIsPathInAFS=false;
    pThis->m_bDirSelected=false;

    if (pdobj) {
        //  Use the given IDataObject to get a list of filenames (CF_HDROP)
        hres = pdobj->GetData(&fmte, &medium);
        if (FAILED(hres)) {
        return E_FAIL;
        }

        int nNumFiles = DragQueryFile((HDROP)medium.hGlobal, 0xFFFFFFFF, NULL, 0);
        if (nNumFiles == 0)
            hres = E_FAIL;
        else {
            pThis->m_bDirSelected = FALSE;

            for (int ii = 0; ii < nNumFiles; ii++) {
                CString strFileName;

                // Get the size of the file name string
                int nNameLen = DragQueryFile((HDROP)medium.hGlobal, ii, 0, 0);

                // Make room for it in our string object
                LPTSTR pszFileNameBuf = strFileName.GetBuffer(nNameLen + 1);	// +1 for the terminating NULL
                ASSERT(pszFileNameBuf);

                // Get the file name
                DragQueryFile((HDROP)medium.hGlobal, ii, pszFileNameBuf, nNameLen + 1);

                strFileName.ReleaseBuffer();
                if (!IsPathInAfs(strFileName)) {
                pThis->m_astrFileNames.RemoveAll();
                pThis->m_bIsPathInAFS=false;
                break;
                } else {
                pThis->m_bIsSymlink=pThis->m_bIsSymlink||IsSymlink(strFileName);
                pThis->m_bIsMountpoint=pThis->m_bIsMountpoint||IsMountPoint(strFileName);
                pThis->m_bIsPathInAFS=true;
                }

                if (IsADir(strFileName))
                pThis->m_bDirSelected = TRUE;

                pThis->m_astrFileNames.Add(strFileName);
            }
            //	Release the data
            ReleaseStgMedium(&medium);
        }
    }
    if ((pThis->m_astrFileNames.GetSize() == 0)&&(pidlFolder)) {
        // if there are no valid files selected, try the folder background
        IShellFolder *parentFolder = NULL;
        STRRET name;
        TCHAR * szDisplayName = NULL;

        hres = ::SHGetDesktopFolder(&parentFolder);
        if (FAILED(hres))
            return hres;

        hres = parentFolder->GetDisplayNameOf(pidlFolder, SHGDN_NORMAL | SHGDN_FORPARSING, &name);
        if (FAILED(hres)) {
            parentFolder->Release();
            return hres;
        }

        hres = StrRetToStr (&name, pidlFolder, &szDisplayName);
        if (FAILED(hres))
            return hres;
        parentFolder->Release();
        if (szDisplayName) {
            pThis->m_bDirSelected = TRUE;
            CString strFileName = CString(szDisplayName);
            if (IsPathInAfs(strFileName)) {
                pThis->m_bIsSymlink=IsSymlink(strFileName);
                pThis->m_bIsMountpoint=IsMountPoint(strFileName);
                pThis->m_bIsPathInAFS=true;
                pThis->m_astrFileNames.Add(strFileName);
            }
            CoTaskMemFree(szDisplayName);
        }
    }
	if (pThis->m_astrFileNames.GetSize() > 0)
	    hres = NOERROR;
	else
	    hres = E_FAIL;

    return hres;
}
Esempio n. 2
0
/////////////////////////////////////////////////////////////////////////////
// IShellInit Functions
/////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CShellExt::XShellInit::Initialize(LPCITEMIDLIST pidlFolder, IDataObject *pdobj, HKEY hkeyProgID)
{
    METHOD_PROLOGUE(CShellExt, ShellInit);

    HRESULT hres = E_FAIL;
    FORMATETC fmte = {CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
    STGMEDIUM medium;

    // We must have a data object
    if (pdobj == NULL)
	    return E_FAIL;

    //  Use the given IDataObject to get a list of filenames (CF_HDROP)
    hres = pdobj->GetData(&fmte, &medium);
    if (FAILED(hres)) {
	return E_FAIL;
    }

    int nNumFiles = DragQueryFile((HDROP)medium.hGlobal, 0xFFFFFFFF, NULL, 0);
    if (nNumFiles == 0)
	hres = E_FAIL;
    else {
	pThis->m_bDirSelected = FALSE;

	for (int ii = 0; ii < nNumFiles; ii++) {
	    CString strFileName;

	    // Get the size of the file name string
	    int nNameLen = DragQueryFile((HDROP)medium.hGlobal, ii, 0, 0);

	    // Make room for it in our string object
	    LPTSTR pszFileNameBuf = strFileName.GetBuffer(nNameLen + 1);	// +1 for the terminating NULL
	    ASSERT(pszFileNameBuf);

	    // Get the file name
	    DragQueryFile((HDROP)medium.hGlobal, ii, pszFileNameBuf, nNameLen + 1);

	    strFileName.ReleaseBuffer();

	    if (!IsPathInAfs(strFileName)) {
		pThis->m_astrFileNames.RemoveAll();
		break;
	    } else {
		pThis->m_bIsSymlink=IsSymlink(strFileName);
	    }

	    if (IsADir(strFileName))
		pThis->m_bDirSelected = TRUE;

	    pThis->m_astrFileNames.Add(strFileName);
	}

	if (pThis->m_astrFileNames.GetSize() > 0)
	    hres = NOERROR;
	else
	    hres = E_FAIL;
    }
 
    //	Release the data
    ReleaseStgMedium(&medium);

    return hres;
}